(function(require, exports, module){

    /* Zepto v1.1.4 - zepto event ajax form ie - zeptojs.com/license */

  var Zepto = (function() {
    var undefined, key, $, classList, emptyArray = [], slice = emptyArray.slice, filter = emptyArray.filter,
      document = window.document,
      elementDisplay = {}, classCache = {},
      cssNumber = { 'column-count': 1, 'columns': 1, 'font-weight': 1, 'line-height': 1,'opacity': 1, 'z-index': 1, 'zoom': 1 },
      fragmentRE = /^\s*<(\w+|!)[^>]*>/,
      singleTagRE = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,
      tagExpanderRE = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig,
      rootNodeRE = /^(?:body|html)$/i,
      capitalRE = /([A-Z])/g,

      // special attributes that should be get/set via method calls
      methodAttributes = ['val', 'css', 'html', 'text', 'data', 'width', 'height', 'offset'],

      adjacencyOperators = [ 'after', 'prepend', 'before', 'append' ],
      table = document.createElement('table'),
      tableRow = document.createElement('tr'),
      containers = {
        'tr': document.createElement('tbody'),
        'tbody': table, 'thead': table, 'tfoot': table,
        'td': tableRow, 'th': tableRow,
        '*': document.createElement('div')
      },
      readyRE = /complete|loaded|interactive/,
      simpleSelectorRE = /^[\w-]*$/,
      class2type = {},
      toString = class2type.toString,
      zepto = {},
      camelize, uniq,
      tempParent = document.createElement('div'),
      propMap = {
        'tabindex': 'tabIndex',
        'readonly': 'readOnly',
        'for': 'htmlFor',
        'class': 'className',
        'maxlength': 'maxLength',
        'cellspacing': 'cellSpacing',
        'cellpadding': 'cellPadding',
        'rowspan': 'rowSpan',
        'colspan': 'colSpan',
        'usemap': 'useMap',
        'frameborder': 'frameBorder',
        'contenteditable': 'contentEditable'
      },
      isArray = Array.isArray ||
        function(object){ return object instanceof Array }

    zepto.matches = function(element, selector) {
      if (!selector || !element || element.nodeType !== 1) return false
      var matchesSelector = element.webkitMatchesSelector || element.mozMatchesSelector ||
                            element.oMatchesSelector || element.matchesSelector
      if (matchesSelector) return matchesSelector.call(element, selector)
      // fall back to performing a selector:
      var match, parent = element.parentNode, temp = !parent
      if (temp) (parent = tempParent).appendChild(element)
      match = ~zepto.qsa(parent, selector).indexOf(element)
      temp && tempParent.removeChild(element)
      return match
    }

    function type(obj) {
      return obj == null ? String(obj) :
        class2type[toString.call(obj)] || "object"
    }

    function isFunction(value) { return type(value) == "function" }
    function isWindow(obj)     { return obj != null && obj == obj.window }
    function isDocument(obj)   { return obj != null && obj.nodeType == obj.DOCUMENT_NODE }
    function isObject(obj)     { return type(obj) == "object" }
    function isPlainObject(obj) {
      return isObject(obj) && !isWindow(obj) && Object.getPrototypeOf(obj) == Object.prototype
    }
    function likeArray(obj) { return typeof obj.length == 'number' }

    function compact(array) { return filter.call(array, function(item){ return item != null }) }
    function flatten(array) { return array.length > 0 ? $.fn.concat.apply([], array) : array }
    camelize = function(str){ return str.replace(/-+(.)?/g, function(match, chr){ return chr ? chr.toUpperCase() : '' }) }
    function dasherize(str) {
      return str.replace(/::/g, '/')
             .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
             .replace(/([a-z\d])([A-Z])/g, '$1_$2')
             .replace(/_/g, '-')
             .toLowerCase()
    }
    uniq = function(array){ return filter.call(array, function(item, idx){ return array.indexOf(item) == idx }) }

    function classRE(name) {
      return name in classCache ?
        classCache[name] : (classCache[name] = new RegExp('(^|\\s)' + name + '(\\s|$)'))
    }

    function maybeAddPx(name, value) {
      return (typeof value == "number" && !cssNumber[dasherize(name)]) ? value + "px" : value
    }

    function defaultDisplay(nodeName) {
      var element, display
      if (!elementDisplay[nodeName]) {
        element = document.createElement(nodeName)
        document.body.appendChild(element)
        display = getComputedStyle(element, '').getPropertyValue("display")
        element.parentNode.removeChild(element)
        display == "none" && (display = "block")
        elementDisplay[nodeName] = display
      }
      return elementDisplay[nodeName]
    }

    function children(element) {
      return 'children' in element ?
        slice.call(element.children) :
        $.map(element.childNodes, function(node){ if (node.nodeType == 1) return node })
    }

    // `$.zepto.fragment` takes a html string and an optional tag name
    // to generate DOM nodes nodes from the given html string.
    // The generated DOM nodes are returned as an array.
    // This function can be overriden in plugins for example to make
    // it compatible with browsers that don't support the DOM fully.
    zepto.fragment = function(html, name, properties) {
      var dom, nodes, container

      // A special case optimization for a single tag
      if (singleTagRE.test(html)) dom = $(document.createElement(RegExp.$1))

      if (!dom) {
        if (html.replace) html = html.replace(tagExpanderRE, "<$1></$2>")
        if (name === undefined) name = fragmentRE.test(html) && RegExp.$1
        if (!(name in containers)) name = '*'

        container = containers[name]
        container.innerHTML = '' + html
        dom = $.each(slice.call(container.childNodes), function(){
          container.removeChild(this)
        })
      }

      if (isPlainObject(properties)) {
        nodes = $(dom)
        $.each(properties, function(key, value) {
          if (methodAttributes.indexOf(key) > -1) nodes[key](value)
          else nodes.attr(key, value)
        })
      }

      return dom
    }

    // `$.zepto.Z` swaps out the prototype of the given `dom` array
    // of nodes with `$.fn` and thus supplying all the Zepto functions
    // to the array. Note that `__proto__` is not supported on Internet
    // Explorer. This method can be overriden in plugins.
    zepto.Z = function(dom, selector) {
      dom = dom || []
      dom.__proto__ = $.fn
      dom.selector = selector || ''
      return dom
    }

    // `$.zepto.isZ` should return `true` if the given object is a Zepto
    // collection. This method can be overriden in plugins.
    zepto.isZ = function(object) {
      return object instanceof zepto.Z
    }

    // `$.zepto.init` is Zepto's counterpart to jQuery's `$.fn.init` and
    // takes a CSS selector and an optional context (and handles various
    // special cases).
    // This method can be overriden in plugins.
    zepto.init = function(selector, context) {
      var dom
      // If nothing given, return an empty Zepto collection
      if (!selector) return zepto.Z()
      // Optimize for string selectors
      else if (typeof selector == 'string') {
        selector = selector.trim()
        // If it's a html fragment, create nodes from it
        // Note: In both Chrome 21 and Firefox 15, DOM error 12
        // is thrown if the fragment doesn't begin with <
        if (selector[0] == '<' && fragmentRE.test(selector))
          dom = zepto.fragment(selector, RegExp.$1, context), selector = null
        // If there's a context, create a collection on that context first, and select
        // nodes from there
        else if (context !== undefined) return $(context).find(selector)
        // If it's a CSS selector, use it to select nodes.
        else dom = zepto.qsa(document, selector)
      }
      // If a function is given, call it when the DOM is ready
      else if (isFunction(selector)) return $(document).ready(selector)
      // If a Zepto collection is given, just return it
      else if (zepto.isZ(selector)) return selector
      else {
        // normalize array if an array of nodes is given
        if (isArray(selector)) dom = compact(selector)
        // Wrap DOM nodes.
        else if (isObject(selector))
          dom = [selector], selector = null
        // If it's a html fragment, create nodes from it
        else if (fragmentRE.test(selector))
          dom = zepto.fragment(selector.trim(), RegExp.$1, context), selector = null
        // If there's a context, create a collection on that context first, and select
        // nodes from there
        else if (context !== undefined) return $(context).find(selector)
        // And last but no least, if it's a CSS selector, use it to select nodes.
        else dom = zepto.qsa(document, selector)
      }
      // create a new Zepto collection from the nodes found
      return zepto.Z(dom, selector)
    }

    // `$` will be the base `Zepto` object. When calling this
    // function just call `$.zepto.init, which makes the implementation
    // details of selecting nodes and creating Zepto collections
    // patchable in plugins.
    $ = function(selector, context){
      return zepto.init(selector, context)
    }

    function extend(target, source, deep) {
      for (key in source)
        if (deep && (isPlainObject(source[key]) || isArray(source[key]))) {
          if (isPlainObject(source[key]) && !isPlainObject(target[key]))
            target[key] = {}
          if (isArray(source[key]) && !isArray(target[key]))
            target[key] = []
          extend(target[key], source[key], deep)
        }
        else if (source[key] !== undefined) target[key] = source[key]
    }

    // Copy all but undefined properties from one or more
    // objects to the `target` object.
    $.extend = function(target){
      var deep, args = slice.call(arguments, 1)
      if (typeof target == 'boolean') {
        deep = target
        target = args.shift()
      }
      args.forEach(function(arg){ extend(target, arg, deep) })
      return target
    }

    // `$.zepto.qsa` is Zepto's CSS selector implementation which
    // uses `document.querySelectorAll` and optimizes for some special cases, like `#id`.
    // This method can be overriden in plugins.
    zepto.qsa = function(element, selector){
      var found,
          maybeID = selector[0] == '#',
          maybeClass = !maybeID && selector[0] == '.',
          nameOnly = maybeID || maybeClass ? selector.slice(1) : selector, // Ensure that a 1 char tag name still gets checked
          isSimple = simpleSelectorRE.test(nameOnly)
      return (isDocument(element) && isSimple && maybeID) ?
        ( (found = element.getElementById(nameOnly)) ? [found] : [] ) :
        (element.nodeType !== 1 && element.nodeType !== 9) ? [] :
        slice.call(
          isSimple && !maybeID ?
            maybeClass ? element.getElementsByClassName(nameOnly) : // If it's simple, it could be a class
            element.getElementsByTagName(selector) : // Or a tag
            element.querySelectorAll(selector) // Or it's not simple, and we need to query all
        )
    }

    function filtered(nodes, selector) {
      return selector == null ? $(nodes) : $(nodes).filter(selector)
    }

    $.contains = document.documentElement.contains ?
      function(parent, node) {
        return parent !== node && parent.contains(node)
      } :
      function(parent, node) {
        while (node && (node = node.parentNode))
          if (node === parent) return true
        return false
      }

    function funcArg(context, arg, idx, payload) {
      return isFunction(arg) ? arg.call(context, idx, payload) : arg
    }

    function setAttribute(node, name, value) {
      value == null ? node.removeAttribute(name) : node.setAttribute(name, value)
    }

    // access className property while respecting SVGAnimatedString
    function className(node, value){
      var klass = node.className,
          svg   = klass && klass.baseVal !== undefined

      if (value === undefined) return svg ? klass.baseVal : klass
      svg ? (klass.baseVal = value) : (node.className = value)
    }

    // "true"  => true
    // "false" => false
    // "null"  => null
    // "42"    => 42
    // "42.5"  => 42.5
    // "08"    => "08"
    // JSON    => parse if valid
    // String  => self
    function deserializeValue(value) {
      var num
      try {
        return value ?
          value == "true" ||
          ( value == "false" ? false :
            value == "null" ? null :
            !/^0/.test(value) && !isNaN(num = Number(value)) ? num :
            /^[\[\{]/.test(value) ? $.parseJSON(value) :
            value )
          : value
      } catch(e) {
        return value
      }
    }

    $.type = type
    $.isFunction = isFunction
    $.isWindow = isWindow
    $.isArray = isArray
    $.isPlainObject = isPlainObject

    $.isEmptyObject = function(obj) {
      var name
      for (name in obj) return false
      return true
    }

    $.inArray = function(elem, array, i){
      return emptyArray.indexOf.call(array, elem, i)
    }

    $.camelCase = camelize
    $.trim = function(str) {
      return str == null ? "" : String.prototype.trim.call(str)
    }

    // plugin compatibility
    $.uuid = 0
    $.support = { }
    $.expr = { }

    $.map = function(elements, callback){
      var value, values = [], i, key
      if (likeArray(elements))
        for (i = 0; i < elements.length; i++) {
          value = callback(elements[i], i)
          if (value != null) values.push(value)
        }
      else
        for (key in elements) {
          value = callback(elements[key], key)
          if (value != null) values.push(value)
        }
      return flatten(values)
    }

    $.each = function(elements, callback){
      var i, key
      if (likeArray(elements)) {
        for (i = 0; i < elements.length; i++)
          if (callback.call(elements[i], i, elements[i]) === false) return elements
      } else {
        for (key in elements)
          if (callback.call(elements[key], key, elements[key]) === false) return elements
      }

      return elements
    }

    $.grep = function(elements, callback){
      return filter.call(elements, callback)
    }

    if (window.JSON) $.parseJSON = JSON.parse

    // Populate the class2type map
    $.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
      class2type[ "[object " + name + "]" ] = name.toLowerCase()
    })

    // Define methods that will be available on all
    // Zepto collections
    $.fn = {
      // Because a collection acts like an array
      // copy over these useful array functions.
      forEach: emptyArray.forEach,
      reduce: emptyArray.reduce,
      push: emptyArray.push,
      sort: emptyArray.sort,
      indexOf: emptyArray.indexOf,
      concat: emptyArray.concat,

      // `map` and `slice` in the jQuery API work differently
      // from their array counterparts
      map: function(fn){
        return $($.map(this, function(el, i){ return fn.call(el, i, el) }))
      },
      slice: function(){
        return $(slice.apply(this, arguments))
      },

      ready: function(callback){
        // need to check if document.body exists for IE as that browser reports
        // document ready when it hasn't yet created the body element
        if (readyRE.test(document.readyState) && document.body) callback($)
        else document.addEventListener('DOMContentLoaded', function(){ callback($) }, false)
        return this
      },
      get: function(idx){
        return idx === undefined ? slice.call(this) : this[idx >= 0 ? idx : idx + this.length]
      },
      toArray: function(){ return this.get() },
      size: function(){
        return this.length
      },
      remove: function(){
        return this.each(function(){
          if (this.parentNode != null)
            this.parentNode.removeChild(this)
        })
      },
      each: function(callback){
        emptyArray.every.call(this, function(el, idx){
          return callback.call(el, idx, el) !== false
        })
        return this
      },
      filter: function(selector){
        if (isFunction(selector)) return this.not(this.not(selector))
        return $(filter.call(this, function(element){
          return zepto.matches(element, selector)
        }))
      },
      add: function(selector,context){
        return $(uniq(this.concat($(selector,context))))
      },
      is: function(selector){
        return this.length > 0 && zepto.matches(this[0], selector)
      },
      not: function(selector){
        var nodes=[]
        if (isFunction(selector) && selector.call !== undefined)
          this.each(function(idx){
            if (!selector.call(this,idx)) nodes.push(this)
          })
        else {
          var excludes = typeof selector == 'string' ? this.filter(selector) :
            (likeArray(selector) && isFunction(selector.item)) ? slice.call(selector) : $(selector)
          this.forEach(function(el){
            if (excludes.indexOf(el) < 0) nodes.push(el)
          })
        }
        return $(nodes)
      },
      has: function(selector){
        return this.filter(function(){
          return isObject(selector) ?
            $.contains(this, selector) :
            $(this).find(selector).size()
        })
      },
      eq: function(idx){
        return idx === -1 ? this.slice(idx) : this.slice(idx, + idx + 1)
      },
      first: function(){
        var el = this[0]
        return el && !isObject(el) ? el : $(el)
      },
      last: function(){
        var el = this[this.length - 1]
        return el && !isObject(el) ? el : $(el)
      },
      find: function(selector){
        var result, $this = this
        if (!selector) result = []
        else if (typeof selector == 'object')
          result = $(selector).filter(function(){
            var node = this
            return emptyArray.some.call($this, function(parent){
              return $.contains(parent, node)
            })
          })
        else if (this.length == 1) result = $(zepto.qsa(this[0], selector))
        else result = this.map(function(){ return zepto.qsa(this, selector) })
        return result
      },
      closest: function(selector, context){
        var node = this[0], collection = false
        if (typeof selector == 'object') collection = $(selector)
        while (node && !(collection ? collection.indexOf(node) >= 0 : zepto.matches(node, selector)))
          node = node !== context && !isDocument(node) && node.parentNode
        return $(node)
      },
      parents: function(selector){
        var ancestors = [], nodes = this
        while (nodes.length > 0)
          nodes = $.map(nodes, function(node){
            if ((node = node.parentNode) && !isDocument(node) && ancestors.indexOf(node) < 0) {
              ancestors.push(node)
              return node
            }
          })
        return filtered(ancestors, selector)
      },
      parent: function(selector){
        return filtered(uniq(this.pluck('parentNode')), selector)
      },
      children: function(selector){
        return filtered(this.map(function(){ return children(this) }), selector)
      },
      contents: function() {
        return this.map(function() { return slice.call(this.childNodes) })
      },
      siblings: function(selector){
        return filtered(this.map(function(i, el){
          return filter.call(children(el.parentNode), function(child){ return child!==el })
        }), selector)
      },
      empty: function(){
        return this.each(function(){ this.innerHTML = '' })
      },
      // `pluck` is borrowed from Prototype.js
      pluck: function(property){
        return $.map(this, function(el){ return el[property] })
      },
      show: function(){
        return this.each(function(){
          this.style.display == "none" && (this.style.display = '')
          if (getComputedStyle(this, '').getPropertyValue("display") == "none")
            this.style.display = defaultDisplay(this.nodeName)
        })
      },
      replaceWith: function(newContent){
        return this.before(newContent).remove()
      },
      wrap: function(structure){
        var func = isFunction(structure)
        if (this[0] && !func)
          var dom   = $(structure).get(0),
              clone = dom.parentNode || this.length > 1

        return this.each(function(index){
          $(this).wrapAll(
            func ? structure.call(this, index) :
              clone ? dom.cloneNode(true) : dom
          )
        })
      },
      wrapAll: function(structure){
        if (this[0]) {
          $(this[0]).before(structure = $(structure))
          var children
          // drill down to the inmost element
          while ((children = structure.children()).length) structure = children.first()
          $(structure).append(this)
        }
        return this
      },
      wrapInner: function(structure){
        var func = isFunction(structure)
        return this.each(function(index){
          var self = $(this), contents = self.contents(),
              dom  = func ? structure.call(this, index) : structure
          contents.length ? contents.wrapAll(dom) : self.append(dom)
        })
      },
      unwrap: function(){
        this.parent().each(function(){
          $(this).replaceWith($(this).children())
        })
        return this
      },
      clone: function(){
        return this.map(function(){ return this.cloneNode(true) })
      },
      hide: function(){
        return this.css("display", "none")
      },
      toggle: function(setting){
        return this.each(function(){
          var el = $(this)
          ;(setting === undefined ? el.css("display") == "none" : setting) ? el.show() : el.hide()
        })
      },
      prev: function(selector){ return $(this.pluck('previousElementSibling')).filter(selector || '*') },
      next: function(selector){ return $(this.pluck('nextElementSibling')).filter(selector || '*') },
      html: function(html){
        return 0 in arguments ?
          this.each(function(idx){
            var originHtml = this.innerHTML
            $(this).empty().append( funcArg(this, html, idx, originHtml) )
          }) :
          (0 in this ? this[0].innerHTML : null)
      },
      text: function(text){
        return 0 in arguments ?
          this.each(function(idx){
            var newText = funcArg(this, text, idx, this.textContent)
            this.textContent = newText == null ? '' : ''+newText
          }) :
          (0 in this ? this[0].textContent : null)
      },
      attr: function(name, value){
        var result
        return (typeof name == 'string' && !(1 in arguments)) ?
          (!this.length || this[0].nodeType !== 1 ? undefined :
            (!(result = this[0].getAttribute(name)) && name in this[0]) ? this[0][name] : result
          ) :
          this.each(function(idx){
            if (this.nodeType !== 1) return
            if (isObject(name)) for (key in name) setAttribute(this, key, name[key])
            else setAttribute(this, name, funcArg(this, value, idx, this.getAttribute(name)))
          })
      },
      removeAttr: function(name){
        return this.each(function(){ this.nodeType === 1 && setAttribute(this, name) })
      },
      prop: function(name, value){
        name = propMap[name] || name
        return (1 in arguments) ?
          this.each(function(idx){
            this[name] = funcArg(this, value, idx, this[name])
          }) :
          (this[0] && this[0][name])
      },
      data: function(name, value){
        var attrName = 'data-' + name.replace(capitalRE, '-$1').toLowerCase()

        var data = (1 in arguments) ?
          this.attr(attrName, value) :
          this.attr(attrName)

        return data !== null ? deserializeValue(data) : undefined
      },
      val: function(value){
        return 0 in arguments ?
          this.each(function(idx){
            this.value = funcArg(this, value, idx, this.value)
          }) :
          (this[0] && (this[0].multiple ?
             $(this[0]).find('option').filter(function(){ return this.selected }).pluck('value') :
             this[0].value)
          )
      },
      offset: function(coordinates){
        if (coordinates) return this.each(function(index){
          var $this = $(this),
              coords = funcArg(this, coordinates, index, $this.offset()),
              parentOffset = $this.offsetParent().offset(),
              props = {
                top:  coords.top  - parentOffset.top,
                left: coords.left - parentOffset.left
              }

          if ($this.css('position') == 'static') props['position'] = 'relative'
          $this.css(props)
        })
        if (!this.length) return null
        var obj = this[0].getBoundingClientRect()
        return {
          left: obj.left + window.pageXOffset,
          top: obj.top + window.pageYOffset,
          width: Math.round(obj.width),
          height: Math.round(obj.height)
        }
      },
      css: function(property, value){
        if (arguments.length < 2) {
          var element = this[0], computedStyle = getComputedStyle(element, '')
          if(!element) return
          if (typeof property == 'string')
            return element.style[camelize(property)] || computedStyle.getPropertyValue(property)
          else if (isArray(property)) {
            var props = {}
            $.each(isArray(property) ? property: [property], function(_, prop){
              props[prop] = (element.style[camelize(prop)] || computedStyle.getPropertyValue(prop))
            })
            return props
          }
        }

        var css = ''
        if (type(property) == 'string') {
          if (!value && value !== 0)
            this.each(function(){ this.style.removeProperty(dasherize(property)) })
          else
            css = dasherize(property) + ":" + maybeAddPx(property, value)
        } else {
          for (key in property)
            if (!property[key] && property[key] !== 0)
              this.each(function(){ this.style.removeProperty(dasherize(key)) })
            else
              css += dasherize(key) + ':' + maybeAddPx(key, property[key]) + ';'
        }

        return this.each(function(){ this.style.cssText += ';' + css })
      },
      index: function(element){
        return element ? this.indexOf($(element)[0]) : this.parent().children().indexOf(this[0])
      },
      hasClass: function(name){
        if (!name) return false
        return emptyArray.some.call(this, function(el){
          return this.test(className(el))
        }, classRE(name))
      },
      addClass: function(name){
        if (!name) return this
        return this.each(function(idx){
          classList = []
          var cls = className(this), newName = funcArg(this, name, idx, cls)
          newName.split(/\s+/g).forEach(function(klass){
            if (!$(this).hasClass(klass)) classList.push(klass)
          }, this)
          classList.length && className(this, cls + (cls ? " " : "") + classList.join(" "))
        })
      },
      removeClass: function(name){
        return this.each(function(idx){
          if (name === undefined) return className(this, '')
          classList = className(this)
          funcArg(this, name, idx, classList).split(/\s+/g).forEach(function(klass){
            classList = classList.replace(classRE(klass), " ")
          })
          className(this, classList.trim())
        })
      },
      toggleClass: function(name, when){
        if (!name) return this
        return this.each(function(idx){
          var $this = $(this), names = funcArg(this, name, idx, className(this))
          names.split(/\s+/g).forEach(function(klass){
            (when === undefined ? !$this.hasClass(klass) : when) ?
              $this.addClass(klass) : $this.removeClass(klass)
          })
        })
      },
      scrollTop: function(value){
        if (!this.length) return
        var hasScrollTop = 'scrollTop' in this[0]
        if (value === undefined) return hasScrollTop ? this[0].scrollTop : this[0].pageYOffset
        return this.each(hasScrollTop ?
          function(){ this.scrollTop = value } :
          function(){ this.scrollTo(this.scrollX, value) })
      },
      scrollLeft: function(value){
        if (!this.length) return
        var hasScrollLeft = 'scrollLeft' in this[0]
        if (value === undefined) return hasScrollLeft ? this[0].scrollLeft : this[0].pageXOffset
        return this.each(hasScrollLeft ?
          function(){ this.scrollLeft = value } :
          function(){ this.scrollTo(value, this.scrollY) })
      },
      position: function() {
        if (!this.length) return

        var elem = this[0],
          // Get *real* offsetParent
          offsetParent = this.offsetParent(),
          // Get correct offsets
          offset       = this.offset(),
          parentOffset = rootNodeRE.test(offsetParent[0].nodeName) ? { top: 0, left: 0 } : offsetParent.offset()

        // Subtract element margins
        // note: when an element has margin: auto the offsetLeft and marginLeft
        // are the same in Safari causing offset.left to incorrectly be 0
        offset.top  -= parseFloat( $(elem).css('margin-top') ) || 0
        offset.left -= parseFloat( $(elem).css('margin-left') ) || 0

        // Add offsetParent borders
        parentOffset.top  += parseFloat( $(offsetParent[0]).css('border-top-width') ) || 0
        parentOffset.left += parseFloat( $(offsetParent[0]).css('border-left-width') ) || 0

        // Subtract the two offsets
        return {
          top:  offset.top  - parentOffset.top,
          left: offset.left - parentOffset.left
        }
      },
      offsetParent: function() {
        return this.map(function(){
          var parent = this.offsetParent || document.body
          while (parent && !rootNodeRE.test(parent.nodeName) && $(parent).css("position") == "static")
            parent = parent.offsetParent
          return parent
        })
      }
    }

    // for now
    $.fn.detach = $.fn.remove

    // Generate the `width` and `height` functions
    ;['width', 'height'].forEach(function(dimension){
      var dimensionProperty =
        dimension.replace(/./, function(m){ return m[0].toUpperCase() })

      $.fn[dimension] = function(value){
        var offset, el = this[0]
        if (value === undefined) return isWindow(el) ? el['inner' + dimensionProperty] :
          isDocument(el) ? el.documentElement['scroll' + dimensionProperty] :
          (offset = this.offset()) && offset[dimension]
        else return this.each(function(idx){
          el = $(this)
          el.css(dimension, funcArg(this, value, idx, el[dimension]()))
        })
      }
    })

    function traverseNode(node, fun) {
      fun(node)
      for (var i = 0, len = node.childNodes.length; i < len; i++)
        traverseNode(node.childNodes[i], fun)
    }

    // Generate the `after`, `prepend`, `before`, `append`,
    // `insertAfter`, `insertBefore`, `appendTo`, and `prependTo` methods.
    adjacencyOperators.forEach(function(operator, operatorIndex) {
      var inside = operatorIndex % 2 //=> prepend, append

      $.fn[operator] = function(){
        // arguments can be nodes, arrays of nodes, Zepto objects and HTML strings
        var argType, nodes = $.map(arguments, function(arg) {
              argType = type(arg)
              return argType == "object" || argType == "array" || arg == null ?
                arg : zepto.fragment(arg)
            }),
            parent, copyByClone = this.length > 1
        if (nodes.length < 1) return this

        return this.each(function(_, target){
          parent = inside ? target : target.parentNode

          // convert all methods to a "before" operation
          target = operatorIndex == 0 ? target.nextSibling :
                   operatorIndex == 1 ? target.firstChild :
                   operatorIndex == 2 ? target :
                   null

          var parentInDocument = $.contains(document.documentElement, parent)

          nodes.forEach(function(node){
            if (copyByClone) node = node.cloneNode(true)
            else if (!parent) return $(node).remove()

            parent.insertBefore(node, target)
            if (parentInDocument) traverseNode(node, function(el){
              if (el.nodeName != null && el.nodeName.toUpperCase() === 'SCRIPT' &&
                 (!el.type || el.type === 'text/javascript') && !el.src)
                window['eval'].call(window, el.innerHTML)
            })
          })
        })
      }

      // after    => insertAfter
      // prepend  => prependTo
      // before   => insertBefore
      // append   => appendTo
      $.fn[inside ? operator+'To' : 'insert'+(operatorIndex ? 'Before' : 'After')] = function(html){
        $(html)[operator](this)
        return this
      }
    })

    zepto.Z.prototype = $.fn

    // Export internal API functions in the `$.zepto` namespace
    zepto.uniq = uniq
    zepto.deserializeValue = deserializeValue
    $.zepto = zepto

    return $
  })()

  window.Zepto = Zepto
  window.$ === undefined && (window.$ = Zepto)

  ;(function($){
    var _zid = 1, undefined,
        slice = Array.prototype.slice,
        isFunction = $.isFunction,
        isString = function(obj){ return typeof obj == 'string' },
        handlers = {},
        specialEvents={},
        focusinSupported = 'onfocusin' in window,
        focus = { focus: 'focusin', blur: 'focusout' },
        hover = { mouseenter: 'mouseover', mouseleave: 'mouseout' }

    specialEvents.click = specialEvents.mousedown = specialEvents.mouseup = specialEvents.mousemove = 'MouseEvents'

    function zid(element) {
      return element._zid || (element._zid = _zid++)
    }
    function findHandlers(element, event, fn, selector) {
      event = parse(event)
      if (event.ns) var matcher = matcherFor(event.ns)
      return (handlers[zid(element)] || []).filter(function(handler) {
        return handler
          && (!event.e  || handler.e == event.e)
          && (!event.ns || matcher.test(handler.ns))
          && (!fn       || zid(handler.fn) === zid(fn))
          && (!selector || handler.sel == selector)
      })
    }
    function parse(event) {
      var parts = ('' + event).split('.')
      return {e: parts[0], ns: parts.slice(1).sort().join(' ')}
    }
    function matcherFor(ns) {
      return new RegExp('(?:^| )' + ns.replace(' ', ' .* ?') + '(?: |$)')
    }

    function eventCapture(handler, captureSetting) {
      return handler.del &&
        (!focusinSupported && (handler.e in focus)) ||
        !!captureSetting
    }

    function realEvent(type) {
      return hover[type] || (focusinSupported && focus[type]) || type
    }

    function add(element, events, fn, data, selector, delegator, capture){
      var id = zid(element), set = (handlers[id] || (handlers[id] = []))
      events.split(/\s/).forEach(function(event){
        if (event == 'ready') return $(document).ready(fn)
        var handler   = parse(event)
        handler.fn    = fn
        handler.sel   = selector
        // emulate mouseenter, mouseleave
        if (handler.e in hover) fn = function(e){
          var related = e.relatedTarget
          if (!related || (related !== this && !$.contains(this, related)))
            return handler.fn.apply(this, arguments)
        }
        handler.del   = delegator
        var callback  = delegator || fn
        handler.proxy = function(e){
          e = compatible(e)
          if (e.isImmediatePropagationStopped()) return
          e.data = data
          var result = callback.apply(element, e._args == undefined ? [e] : [e].concat(e._args))
          if (result === false) e.preventDefault(), e.stopPropagation()
          return result
        }
        handler.i = set.length
        set.push(handler)
        if ('addEventListener' in element)
          element.addEventListener(realEvent(handler.e), handler.proxy, eventCapture(handler, capture))
      })
    }
    function remove(element, events, fn, selector, capture){
      var id = zid(element)
      ;(events || '').split(/\s/).forEach(function(event){
        findHandlers(element, event, fn, selector).forEach(function(handler){
          delete handlers[id][handler.i]
        if ('removeEventListener' in element)
          element.removeEventListener(realEvent(handler.e), handler.proxy, eventCapture(handler, capture))
        })
      })
    }

    $.event = { add: add, remove: remove }

    $.proxy = function(fn, context) {
      var args = (2 in arguments) && slice.call(arguments, 2)
      if (isFunction(fn)) {
        var proxyFn = function(){ return fn.apply(context, args ? args.concat(slice.call(arguments)) : arguments) }
        proxyFn._zid = zid(fn)
        return proxyFn
      } else if (isString(context)) {
        if (args) {
          args.unshift(fn[context], fn)
          return $.proxy.apply(null, args)
        } else {
          return $.proxy(fn[context], fn)
        }
      } else {
        throw new TypeError("expected function")
      }
    }

    $.fn.bind = function(event, data, callback){
      return this.on(event, data, callback)
    }
    $.fn.unbind = function(event, callback){
      return this.off(event, callback)
    }
    $.fn.one = function(event, selector, data, callback){
      return this.on(event, selector, data, callback, 1)
    }

    var returnTrue = function(){return true},
        returnFalse = function(){return false},
        ignoreProperties = /^([A-Z]|returnValue$|layer[XY]$)/,
        eventMethods = {
          preventDefault: 'isDefaultPrevented',
          stopImmediatePropagation: 'isImmediatePropagationStopped',
          stopPropagation: 'isPropagationStopped'
        }

    function compatible(event, source) {
      if (source || !event.isDefaultPrevented) {
        source || (source = event)

        $.each(eventMethods, function(name, predicate) {
          var sourceMethod = source[name]
          event[name] = function(){
            this[predicate] = returnTrue
            return sourceMethod && sourceMethod.apply(source, arguments)
          }
          event[predicate] = returnFalse
        })

        if (source.defaultPrevented !== undefined ? source.defaultPrevented :
            'returnValue' in source ? source.returnValue === false :
            source.getPreventDefault && source.getPreventDefault())
          event.isDefaultPrevented = returnTrue
      }
      return event
    }

    function createProxy(event) {
      var key, proxy = { originalEvent: event }
      for (key in event)
        if (!ignoreProperties.test(key) && event[key] !== undefined) proxy[key] = event[key]

      return compatible(proxy, event)
    }

    $.fn.delegate = function(selector, event, callback){
      return this.on(event, selector, callback)
    }
    $.fn.undelegate = function(selector, event, callback){
      return this.off(event, selector, callback)
    }

    $.fn.live = function(event, callback){
      $(document.body).delegate(this.selector, event, callback)
      return this
    }
    $.fn.die = function(event, callback){
      $(document.body).undelegate(this.selector, event, callback)
      return this
    }

    $.fn.on = function(event, selector, data, callback, one){
      var autoRemove, delegator, $this = this
      if (event && !isString(event)) {
        $.each(event, function(type, fn){
          $this.on(type, selector, data, fn, one)
        })
        return $this
      }

      if (!isString(selector) && !isFunction(callback) && callback !== false)
        callback = data, data = selector, selector = undefined
      if (isFunction(data) || data === false)
        callback = data, data = undefined

      if (callback === false) callback = returnFalse

      return $this.each(function(_, element){
        if (one) autoRemove = function(e){
          remove(element, e.type, callback)
          return callback.apply(this, arguments)
        }

        if (selector) delegator = function(e){
          var evt, match = $(e.target).closest(selector, element).get(0)
          if (match && match !== element) {
            evt = $.extend(createProxy(e), {currentTarget: match, liveFired: element})
            return (autoRemove || callback).apply(match, [evt].concat(slice.call(arguments, 1)))
          }
        }

        add(element, event, callback, data, selector, delegator || autoRemove)
      })
    }
    $.fn.off = function(event, selector, callback){
      var $this = this
      if (event && !isString(event)) {
        $.each(event, function(type, fn){
          $this.off(type, selector, fn)
        })
        return $this
      }

      if (!isString(selector) && !isFunction(callback) && callback !== false)
        callback = selector, selector = undefined

      if (callback === false) callback = returnFalse

      return $this.each(function(){
        remove(this, event, callback, selector)
      })
    }

    $.fn.trigger = function(event, args){
      event = (isString(event) || $.isPlainObject(event)) ? $.Event(event) : compatible(event)
      event._args = args
      return this.each(function(){
        // items in the collection might not be DOM elements
        if('dispatchEvent' in this) this.dispatchEvent(event)
        else $(this).triggerHandler(event, args)
      })
    }

    // triggers event handlers on current element just as if an event occurred,
    // doesn't trigger an actual event, doesn't bubble
    $.fn.triggerHandler = function(event, args){
      var e, result
      this.each(function(i, element){
        e = createProxy(isString(event) ? $.Event(event) : event)
        e._args = args
        e.target = element
        $.each(findHandlers(element, event.type || event), function(i, handler){
          result = handler.proxy(e)
          if (e.isImmediatePropagationStopped()) return false
        })
      })
      return result
    }

    // shortcut methods for `.bind(event, fn)` for each event type
    ;('focusin focusout load resize scroll unload click dblclick '+
    'mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave '+
    'change select keydown keypress keyup error').split(' ').forEach(function(event) {
      $.fn[event] = function(callback) {
        return callback ?
          this.bind(event, callback) :
          this.trigger(event)
      }
    })

    ;['focus', 'blur'].forEach(function(name) {
      $.fn[name] = function(callback) {
        if (callback) this.bind(name, callback)
        else this.each(function(){
          try { this[name]() }
          catch(e) {}
        })
        return this
      }
    })

    $.Event = function(type, props) {
      if (!isString(type)) props = type, type = props.type
      var event = document.createEvent(specialEvents[type] || 'Events'), bubbles = true
      if (props) for (var name in props) (name == 'bubbles') ? (bubbles = !!props[name]) : (event[name] = props[name])
      event.initEvent(type, bubbles, true)
      return compatible(event)
    }

  })(Zepto)

  ;(function($){
    var jsonpID = 0,
        document = window.document,
        key,
        name,
        rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi,
        scriptTypeRE = /^(?:text|application)\/javascript/i,
        xmlTypeRE = /^(?:text|application)\/xml/i,
        jsonType = 'application/json',
        htmlType = 'text/html',
        blankRE = /^\s*$/

    // trigger a custom event and return false if it was cancelled
    function triggerAndReturn(context, eventName, data) {
      var event = $.Event(eventName)
      $(context).trigger(event, data)
      return !event.isDefaultPrevented()
    }

    // trigger an Ajax "global" event
    function triggerGlobal(settings, context, eventName, data) {
      if (settings.global) return triggerAndReturn(context || document, eventName, data)
    }

    // Number of active Ajax requests
    $.active = 0

    function ajaxStart(settings) {
      if (settings.global && $.active++ === 0) triggerGlobal(settings, null, 'ajaxStart')
    }
    function ajaxStop(settings) {
      if (settings.global && !(--$.active)) triggerGlobal(settings, null, 'ajaxStop')
    }

    // triggers an extra global event "ajaxBeforeSend" that's like "ajaxSend" but cancelable
    function ajaxBeforeSend(xhr, settings) {
      var context = settings.context
      if (settings.beforeSend.call(context, xhr, settings) === false ||
          triggerGlobal(settings, context, 'ajaxBeforeSend', [xhr, settings]) === false)
        return false

      triggerGlobal(settings, context, 'ajaxSend', [xhr, settings])
    }
    function ajaxSuccess(data, xhr, settings, deferred) {
      var context = settings.context, status = 'success'
      settings.success.call(context, data, status, xhr)
      if (deferred) deferred.resolveWith(context, [data, status, xhr])
      triggerGlobal(settings, context, 'ajaxSuccess', [xhr, settings, data])
      ajaxComplete(status, xhr, settings)
    }
    // type: "timeout", "error", "abort", "parsererror"
    function ajaxError(error, type, xhr, settings, deferred) {
      var context = settings.context
      settings.error.call(context, xhr, type, error)
      if (deferred) deferred.rejectWith(context, [xhr, type, error])
      triggerGlobal(settings, context, 'ajaxError', [xhr, settings, error || type])
      ajaxComplete(type, xhr, settings)
    }
    // status: "success", "notmodified", "error", "timeout", "abort", "parsererror"
    function ajaxComplete(status, xhr, settings) {
      var context = settings.context
      settings.complete.call(context, xhr, status)
      triggerGlobal(settings, context, 'ajaxComplete', [xhr, settings])
      ajaxStop(settings)
    }

    // Empty function, used as default callback
    function empty() {}

    $.ajaxJSONP = function(options, deferred){
      if (!('type' in options)) return $.ajax(options)

      var _callbackName = options.jsonpCallback,
        callbackName = ($.isFunction(_callbackName) ?
          _callbackName() : _callbackName) || ('jsonp' + (++jsonpID)),
        script = document.createElement('script'),
        originalCallback = window[callbackName],
        responseData,
        abort = function(errorType) {
          $(script).triggerHandler('error', errorType || 'abort')
        },
        xhr = { abort: abort }, abortTimeout

      if (deferred) deferred.promise(xhr)

      $(script).on('load error', function(e, errorType){
        clearTimeout(abortTimeout)
        $(script).off().remove()

        if (e.type == 'error' || !responseData) {
          ajaxError(null, errorType || 'error', xhr, options, deferred)
        } else {
          ajaxSuccess(responseData[0], xhr, options, deferred)
        }

        window[callbackName] = originalCallback
        if (responseData && $.isFunction(originalCallback))
          originalCallback(responseData[0])

        originalCallback = responseData = undefined
      })

      if (ajaxBeforeSend(xhr, options) === false) {
        abort('abort')
        return xhr
      }

      window[callbackName] = function(){
        responseData = arguments
      }

      script.src = options.url.replace(/\?(.+)=\?/, '?$1=' + callbackName)
      document.head.appendChild(script)

      if (options.timeout > 0) abortTimeout = setTimeout(function(){
        abort('timeout')
      }, options.timeout)

      return xhr
    }

    $.ajaxSettings = {
      // Default type of request
      type: 'GET',
      // Callback that is executed before request
      beforeSend: empty,
      // Callback that is executed if the request succeeds
      success: empty,
      // Callback that is executed the the server drops error
      error: empty,
      // Callback that is executed on request complete (both: error and success)
      complete: empty,
      // The context for the callbacks
      context: null,
      // Whether to trigger "global" Ajax events
      global: true,
      // Transport
      xhr: function () {
        return new window.XMLHttpRequest()
      },
      // MIME types mapping
      // IIS returns Javascript as "application/x-javascript"
      accepts: {
        script: 'text/javascript, application/javascript, application/x-javascript',
        json:   jsonType,
        xml:    'application/xml, text/xml',
        html:   htmlType,
        text:   'text/plain'
      },
      // Whether the request is to another domain
      crossDomain: false,
      // Default timeout
      timeout: 0,
      // Whether data should be serialized to string
      processData: true,
      // Whether the browser should be allowed to cache GET responses
      cache: true
    }

    function mimeToDataType(mime) {
      if (mime) mime = mime.split(';', 2)[0]
      return mime && ( mime == htmlType ? 'html' :
        mime == jsonType ? 'json' :
        scriptTypeRE.test(mime) ? 'script' :
        xmlTypeRE.test(mime) && 'xml' ) || 'text'
    }

    function appendQuery(url, query) {
      if (query == '') return url
      return (url + '&' + query).replace(/[&?]{1,2}/, '?')
    }

    // serialize payload and append it to the URL for GET requests
    function serializeData(options) {
      if (options.processData && options.data && $.type(options.data) != "string")
        options.data = $.param(options.data, options.traditional)
      if (options.data && (!options.type || options.type.toUpperCase() == 'GET'))
        options.url = appendQuery(options.url, options.data), options.data = undefined
    }

    $.ajax = function(options){
      var settings = $.extend({}, options || {}),
          deferred = $.Deferred && $.Deferred()
      for (key in $.ajaxSettings) if (settings[key] === undefined) settings[key] = $.ajaxSettings[key]

      ajaxStart(settings)

      if (!settings.crossDomain) settings.crossDomain = /^([\w-]+:)?\/\/([^\/]+)/.test(settings.url) &&
        RegExp.$2 != window.location.host

      if (!settings.url) settings.url = window.location.toString()
      serializeData(settings)

      var dataType = settings.dataType, hasPlaceholder = /\?.+=\?/.test(settings.url)
      if (hasPlaceholder) dataType = 'jsonp'

      if (settings.cache === false || (
           (!options || options.cache !== true) &&
           ('script' == dataType || 'jsonp' == dataType)
          ))
        settings.url = appendQuery(settings.url, '_=' + Date.now())

      if ('jsonp' == dataType) {
        if (!hasPlaceholder)
          settings.url = appendQuery(settings.url,
            settings.jsonp ? (settings.jsonp + '=?') : settings.jsonp === false ? '' : 'callback=?')
        return $.ajaxJSONP(settings, deferred)
      }

      var mime = settings.accepts[dataType],
          headers = { },
          setHeader = function(name, value) { headers[name.toLowerCase()] = [name, value] },
          protocol = /^([\w-]+:)\/\//.test(settings.url) ? RegExp.$1 : window.location.protocol,
          xhr = settings.xhr(),
          nativeSetHeader = xhr.setRequestHeader,
          abortTimeout

      if (deferred) deferred.promise(xhr)

      if (!settings.crossDomain) setHeader('X-Requested-With', 'XMLHttpRequest')
      setHeader('Accept', mime || '*/*')
      if (mime = settings.mimeType || mime) {
        if (mime.indexOf(',') > -1) mime = mime.split(',', 2)[0]
        xhr.overrideMimeType && xhr.overrideMimeType(mime)
      }
      if (settings.contentType || (settings.contentType !== false && settings.data && settings.type.toUpperCase() != 'GET'))
        setHeader('Content-Type', settings.contentType || 'application/x-www-form-urlencoded')

      if (settings.headers) for (name in settings.headers) setHeader(name, settings.headers[name])
      xhr.setRequestHeader = setHeader

      xhr.onreadystatechange = function(){
        if (xhr.readyState == 4) {
          xhr.onreadystatechange = empty
          clearTimeout(abortTimeout)
          var result, error = false
          if ((xhr.status >= 200 && xhr.status < 300) || xhr.status == 304 || (xhr.status == 0 && protocol == 'file:')) {
            dataType = dataType || mimeToDataType(settings.mimeType || xhr.getResponseHeader('content-type'))
            result = xhr.responseText

            try {
              // http://perfectionkills.com/global-eval-what-are-the-options/
              if (dataType == 'script')    (1,eval)(result)
              else if (dataType == 'xml')  result = xhr.responseXML
              else if (dataType == 'json') result = blankRE.test(result) ? null : $.parseJSON(result)
            } catch (e) { error = e }

            if (error) ajaxError(error, 'parsererror', xhr, settings, deferred)
            else ajaxSuccess(result, xhr, settings, deferred)
          } else {
            ajaxError(xhr.statusText || null, xhr.status ? 'error' : 'abort', xhr, settings, deferred)
          }
        }
      }

      if (ajaxBeforeSend(xhr, settings) === false) {
        xhr.abort()
        ajaxError(null, 'abort', xhr, settings, deferred)
        return xhr
      }

      if (settings.xhrFields) for (name in settings.xhrFields) xhr[name] = settings.xhrFields[name]

      var async = 'async' in settings ? settings.async : true
      xhr.open(settings.type, settings.url, async, settings.username, settings.password)

      for (name in headers) nativeSetHeader.apply(xhr, headers[name])

      if (settings.timeout > 0) abortTimeout = setTimeout(function(){
          xhr.onreadystatechange = empty
          xhr.abort()
          ajaxError(null, 'timeout', xhr, settings, deferred)
        }, settings.timeout)

      // avoid sending empty string (#319)
      xhr.send(settings.data ? settings.data : null)
      return xhr
    }

    // handle optional data/success arguments
    function parseArguments(url, data, success, dataType) {
      if ($.isFunction(data)) dataType = success, success = data, data = undefined
      if (!$.isFunction(success)) dataType = success, success = undefined
      return {
        url: url
      , data: data
      , success: success
      , dataType: dataType
      }
    }

    $.get = function(/* url, data, success, dataType */){
      return $.ajax(parseArguments.apply(null, arguments))
    }

    $.post = function(/* url, data, success, dataType */){
      var options = parseArguments.apply(null, arguments)
      options.type = 'POST'
      return $.ajax(options)
    }

    $.getJSON = function(/* url, data, success */){
      var options = parseArguments.apply(null, arguments)
      options.dataType = 'json'
      return $.ajax(options)
    }

    $.fn.load = function(url, data, success){
      if (!this.length) return this
      var self = this, parts = url.split(/\s/), selector,
          options = parseArguments(url, data, success),
          callback = options.success
      if (parts.length > 1) options.url = parts[0], selector = parts[1]
      options.success = function(response){
        self.html(selector ?
          $('<div>').html(response.replace(rscript, "")).find(selector)
          : response)
        callback && callback.apply(self, arguments)
      }
      $.ajax(options)
      return this
    }

    var escape = encodeURIComponent

    function serialize(params, obj, traditional, scope){
      var type, array = $.isArray(obj), hash = $.isPlainObject(obj)
      $.each(obj, function(key, value) {
        type = $.type(value)
        if (scope) key = traditional ? scope :
          scope + '[' + (hash || type == 'object' || type == 'array' ? key : '') + ']'
        // handle data in serializeArray() format
        if (!scope && array) params.add(value.name, value.value)
        // recurse into nested objects
        else if (type == "array" || (!traditional && type == "object"))
          serialize(params, value, traditional, key)
        else params.add(key, value)
      })
    }

    $.param = function(obj, traditional){
      var params = []
      params.add = function(k, v){ this.push(escape(k) + '=' + escape(v)) }
      serialize(params, obj, traditional)
      return params.join('&').replace(/%20/g, '+')
    }
  })(Zepto)

  ;(function($){
    $.fn.serializeArray = function() {
      var result = [], el
      $([].slice.call(this.get(0).elements)).each(function(){
        el = $(this)
        var type = el.attr('type')
        if (this.nodeName.toLowerCase() != 'fieldset' &&
          !this.disabled && type != 'submit' && type != 'reset' && type != 'button' &&
          ((type != 'radio' && type != 'checkbox') || this.checked))
          result.push({
            name: el.attr('name'),
            value: el.val()
          })
      })
      return result
    }

    $.fn.serialize = function(){
      var result = []
      this.serializeArray().forEach(function(elm){
        result.push(encodeURIComponent(elm.name) + '=' + encodeURIComponent(elm.value))
      })
      return result.join('&')
    }

    $.fn.submit = function(callback) {
      if (callback) this.bind('submit', callback)
      else if (this.length) {
        var event = $.Event('submit')
        this.eq(0).trigger(event)
        if (!event.isDefaultPrevented()) this.get(0).submit()
      }
      return this
    }

  })(Zepto)

  ;(function($){
    // __proto__ doesn't exist on IE<11, so redefine
    // the Z function to use object extension instead
    if (!('__proto__' in {})) {
      $.extend($.zepto, {
        Z: function(dom, selector){
          dom = dom || []
          $.extend(dom, $.fn)
          dom.selector = selector || ''
          dom.__Z = true
          return dom
        },
        // this is a kludge but works
        isZ: function(object){
          return $.type(object) === 'array' && '__Z' in object
        }
      })
    }

    // getComputedStyle shouldn't freak out when called
    // without a valid element as argument
    try {
      getComputedStyle(undefined)
    } catch(e) {
      var nativeGetComputedStyle = getComputedStyle;
      window.getComputedStyle = function(element){
        try {
          return nativeGetComputedStyle(element)
        } catch(e) {
          return null
        }
      }
    }
  })(Zepto)

  module.exports = Zepto;

});